Harry Howell has the lowest career ERA for the St. Louis Browns, with an ERA of 2.06.

Interpreted as:

orioles era with a minimum of 750 IP leaders

	NAME	ERA	IP	G	W	L	W%	GS	SO	CG	SHO	SV	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Harry Howell H. Howell	2.06	1580.2	201	78	91	.462	173	712	150	16	5	1,325	362	549	8	390	63	23		6,192	33	4.05	2.22	1.83	0.05	11.5	6.3	1.08	.262	3.13	83	2.34	98	7.54	3.8
2	Fred Glade F. Glade	2.52	1032.2	126	52	63	.452	120	450	104	14	2	907	289	382	11	220	43	6		4,076	13	3.92	1.92	2.05	0.10	11.0	5.4	1.09	.267	3.33	100	2.42	98	7.90	1.1
3	Barney Pelty B. Pelty	2.62	1864.1	255	91	113	.446	213	678	174	22	4	1,623	542	732	22	522	100	34		7,428	42	3.27	2.52	1.30	0.11	9.1	7.0	1.15	.262	3.53	101	2.82	112	7.83	-69.8
4	Jack Powell J. Powell	2.63	2229.2	294	117	143	.450	264	884	210	27	11	2,083	651	900	43	486	49	27		8,901	29	3.57	1.96	1.82	0.17	9.9	5.5	1.15	.274	3.63	93	2.66	97	8.41	6.8
5	Carl Weilman C. Weilman	2.67	1521.0	239	84	93	.475	179	536	105	15	10	1,394	451	600	22	418	32	49		5,993	17	3.17	2.47	1.28	0.13	8.9	7.0	1.19	.275	3.55	88	2.85	95	8.25	21.9
6	Jim Palmer J. Palmer	2.86	3948.0	558	268	152	.638	521	2,212	211	53	4	3,349	1,253	1,395	303	1,311	38	15	37	16,114	85	5.04	2.99	1.69	0.69	13.7	8.1	1.18	.249	3.18	80	3.50	95	7.63	83.2
7	Dick Hall D. Hall	2.89	770.0	342	65	40	.619	22	499	5	2	60	648	247	266	70	126	9	175	46	3,029	1	5.83	1.47	3.96	0.82	16.5	4.2	1.01	.249	3.11	81	2.96	80	7.57	63.3
8	Willie Sudhoff W. Sudhoff	2.92	980.0	127	51	62	.451	114	279	93	7	0	929	318	441	26	255	44	13		4,005	12	2.56	2.34	1.09	0.24	7.0	6.4	1.21	.266	4.05	106	3.29	119	8.53	-63.8
9	Allen Sothoron A. Sothoron	2.98	1011.1	162	55	61	.474	117	357	65	9	9	977	335	484	15	356	29	40		4,233	24	3.18	3.17	1.00	0.13	8.4	8.4	1.32	.277	4.31	94	3.07	98	8.69	8.4
10	Earl Hamilton E. Hamilton	3.00	1328.2	233	59	89	.399	150	513	84	11	6	1,271	443	619	21	478	48	49		5,444	30	3.47	3.24	1.07	0.14	9.4	8.8	1.32	.285	4.19	102	3.18	108	8.61	-39
11	Nels Potter N. Potter	3.05	933.2	154	57	43	.570	105	441	58	6	3	862	316	350	50	299	12	36		3,892	13	4.25	2.88	1.47	0.48	11.3	7.7	1.24	.263	3.37	85	3.24	90	8.31	39
12	Tom Phoebus T. Phoebus	3.06	807.2	134	50	37	.575	126	578	27	11	0	665	275	315	60	374	14	2	13	3,394	33	6.44	4.17	1.55	0.67	17.0	11.0	1.29	.255	3.51	93	3.48	100	7.41	-3.9
13	Robin Roberts R. Roberts	3.09	761.1	113	42	36	.538	106	398	28	7	0	719	261	283	87	153	11	3	24	3,103	5	4.70	1.81	2.60	1.03	12.8	4.9	1.15	.258	3.35	87	3.64	100	8.50	-0.8
14	Steve Barber S. Barber	3.12	1414.2	253	95	75	.559	211	918	53	19	5	1,212	491	573	86	668	27	14	30	5,989	52	5.84	4.25	1.37	0.55	15.3	11.2	1.33	.262	3.65	88	3.51	96	7.71	21.2
15	Dave Davenport D. Davenport	3.16	874.2	161	41	50	.451	108	326	50	5	5	857	307	407	13	315	25	29		3,598	20	3.35	3.24	1.03	0.13	9.1	8.8	1.34	.289	4.19	113	2.92	103	8.82	-10
16	Mike Cuellar M. Cuellar	3.18	2028.1	290	143	88	.619	283	1,011	133	30	1	1,809	716	810	174	601	8	4	33	8,268	37	4.49	2.67	1.68	0.77	12.2	7.3	1.19	.253	3.59	91	3.55	99	8.03	7.3
17	Dave McNally D. McNally	3.18	2652.2	412	181	113	.616	384	1,476	120	33	2	2,400	937	1,020	222	790	68	7	52	10,871	56	5.01	2.68	1.87	0.75	13.6	7.3	1.20	.262	3.46	93	3.46	99	8.14	13.6
18	Urban Shocker U. Shocker	3.19	1749.2	260	126	80	.612	206	704	143	23	20	1,758	620	740	82	409	25	47		7,261	11	3.62	2.10	1.72	0.42	9.7	5.6	1.24	.277	3.81	78	3.43	86	9.04	114.4
19	Milt Pappas M. Pappas	3.24	1632.0	264	110	74	.598	232	944	82	26	4	1,437	587	653	142	531	36	21	34	6,723	64	5.21	2.93	1.78	0.78	14.0	7.9	1.21	.255	3.60	89	3.56	96	7.92	21.9
20	Denny Galehouse D. Galehouse	3.44	972.0	156	50	58	.463	127	431	54	11	3	991	371	428	41	333	10	13		4,162	12	3.99	3.08	1.29	0.38	10.4	8.0	1.36	.284	3.96	92	3.20	86	9.18	53.9
21	Tippy Martinez T. Martinez	3.46	752.1	499	52	40	.565	0	585	0	0	105	665	289	320	49	366	5	298	52	3,185	55	7.00	4.38	1.60	0.59	18.4	11.5	1.37	.283	3.83	90	3.47	88	7.96	40.4
22	Sammy Stewart S. Stewart	3.47	866.0	307	51	45	.531	25	514	4	1	42	774	334	366	66	433	15	160	40	3,696	34	5.34	4.50	1.19	0.69	13.9	11.7	1.39	.265	3.80	88	4.06	101	8.04	-6
23	Mike Mussina M. Mussina	3.53	2009.2	288	147	81	.645	288	1,535	45	15	0	1,895	789	836	210	467	22	0	15	8,201	39	6.87	2.09	3.29	0.94	18.7	5.7	1.18	.282	3.74	77	3.62	79	8.49	214.8
24	Hal Brown H. Brown	3.61	1030.2	204	62	48	.564	131	422	30	9	9	975	413	442	105	228	9	36	17	4,206	21	3.68	1.99	1.85	0.92	10.0	5.4	1.17	.253	3.86	97	3.69	98	8.51	4.8
25	Storm Davis S. Davis	3.63	944.1	202	61	43	.587	123	539	27	4	5	898	381	413	61	318	10	36	27	3,945	26	5.14	3.03	1.69	0.58	13.7	8.1	1.29	.277	3.94	91	3.48	85	8.56	62.6